Nabtesco M-800-III-RC Main Engine Control Box
The Nabtesco M-800-III-RC Main Engine Control Box is a cutting-edge solution designed for the precise control and operation of marine engines. Engineered for robustness and reliability, the M-800-III-RC is a comprehensive control system that ensures the safe and efficient operation of main engines in maritime applications. Whether for commercial vessels, cargo ships, or passenger ferries, this control box integrates seamlessly with various engine systems, providing operators with both flexibility and reliability in demanding conditions.
The M-800-III-RC offers features tailored to modern engine control requirements, providing users with intuitive operation, precise adjustments, and real-time monitoring. It also incorporates advanced safety features to protect both the engine and its operators, while enhancing the overall operational performance of the vessel.

Key Features:
- Precise Engine Control: Offers fine-tuned control over engine speed, fuel efficiency, and power management, optimizing the performance of marine engines.
- Advanced Monitoring: Continuous monitoring of key parameters such as engine RPM, load, temperature, and fuel usage. Alerts operators of any anomalies or deviations from preset parameters.
- Remote Control: The M-800-III-RC includes remote operation capabilities, allowing for convenient control and diagnostics from various locations on the vessel.
- User-Friendly Interface: Featuring an intuitive interface with a graphical display, operators can easily monitor the engine’s performance and adjust settings as needed.
- Safety Features: The system includes fail-safes, emergency shutdown protocols, and alarms to prevent critical engine failures and ensure the safety of the vessel and crew.
- Durability: Designed for marine environments, the M-800-III-RC is built to withstand harsh operating conditions, including high levels of vibration, humidity, and temperature fluctuations.
- Energy Efficiency: Optimizes fuel consumption and engine load, reducing overall operating costs and environmental impact.
Technical Specifications:
- Part Number: M-800-III-RC
- Input Voltage: 24V DC
- Operating Temperature: -10°C to +60°C (14°F to +140°F)
- Humidity Range: 0% to 95% RH (non-condensing)
- Dimensions: 310 mm x 180 mm x 120 mm
- Weight: 3.5 kg
- Display: LED screen with backlight for easy viewing in all lighting conditions
- Mounting Type: Panel mount
- Communication: RS485 communication for data transmission, CAN Bus for engine integration
- Protection Class: IP56 (water-resistant and dust-proof)
- Certifications: CE, ABS, DNV GL, and other marine certifications
Safety & Protection Features:
- Overload Protection: Prevents the engine from operating beyond its safe power limits, avoiding potential damage or wear.
- Low Oil Pressure and High Temperature Alarms: Alerts operators when critical parameters exceed safe levels.
- Fail-Safe Shutdown: Automatic shutdown in the event of engine failure, reducing the risk of further damage and ensuring operator safety.
- Over-speed Protection: Automatically engages if the engine speed exceeds safe operational limits.
- Emergency Stop Button: Instantly halts the engine in case of an emergency, ensuring quick intervention and minimizing potential hazards.
Installation & Maintenance Instructions:
- Installation:
- Install the M-800-III-RC control box in a dry, vibration-free location that is easily accessible to the operator.
- Ensure proper wiring for the 24V DC input power supply. Double-check all connections for tightness and correct polarity.
- Connect the M-800-III-RC to the engine’s communication system using the CAN Bus or RS485 interface, as appropriate for your engine configuration.
- Mount the control panel in a location where the LED display is clearly visible and easy to operate, typically near the engine control room or bridge.
- Ensure proper grounding to avoid electrical interference.
- Maintenance:
- Regularly inspect the system for any signs of damage, corrosion, or wear, especially around connectors and cables.
- Perform system tests periodically to ensure that the engine control functions, alarms, and protection mechanisms are operating correctly.
- Clean the display and control panel to prevent dust buildup and ensure visibility of the LED screen.
- Check the functionality of the emergency stop button and test the shutdown features to confirm proper operation.
- Perform software updates as necessary to ensure the system is running the latest firmware for improved performance and security.
Product Recommendations:
If you’re looking for similar engine control systems, consider the following options:
| Product | Description | Link |
|---|---|---|
| Kongsberg K-Pos 5000 | A marine engine control system offering advanced dynamic positioning and power management. | Kongsberg K-Pos 5000 |
| Woodward 9907-0093 EasyGen 3200 | A versatile control system designed for both generator and engine management in marine applications. | Woodward EasyGen 3200 |
| MAN Diesel & Turbo MEC 500 | Engine control and monitoring system with advanced diagnostics for marine engines. | MAN MEC 500 |
Advantages of Nabtesco M-800-III-RC:
- Precision and Reliability: The M-800-III-RC offers precise control over engine functions, ensuring the engine operates efficiently and safely in various marine conditions.
- Remote Control Capability: With remote operation, crew members can monitor and control the engine from multiple locations on the vessel, improving efficiency and reducing manual intervention.
- Robust Protection Features: The inclusion of multiple safety features helps prevent catastrophic engine failures, ensuring both crew and equipment are protected.
- User-Friendly Interface: The graphical display and intuitive controls make it easy for operators to configure settings, monitor engine performance, and diagnose issues quickly.
- Long-Term Durability: Built specifically for marine applications, the M-800-III-RC withstands the demanding conditions of marine environments, ensuring longevity and minimizing maintenance needs.
Conclusion:
The Nabtesco M-800-III-RC Main Engine Control Box is a robust and reliable system designed to optimize the performance and safety of marine engines. With its comprehensive control, advanced monitoring, and protective features, it ensures efficient engine operation while minimizing the risk of failure. Ideal for use in various marine applications, this system offers flexibility, remote control capabilities, and ease of use, making it an essential tool for modern maritime operations.

